Why reinvent the wheel here is one of the best wikis with a comprehensive list of Web 2.0 tools that can be used for teaching and learning http://cooltoolsforschools.wikispaces.com/
web2foryou is a wiki produced by our colleague Glenda Morris

23 Things Is an online course for those interested in learning about and playing around with some new Web 2.0 tools that will help you expand your information literacy toolbox

How to set up a Webpage on Google Sites

Mary Fran's //Google Sites Tutorial//

A tutorial on the features of a Google Site. ... Mary Fran's Getting Started with Google Sites. Search this site. Google Sites. What's a Wiki? Getting Started

Learn more about //Google Sites//

Example templates - Google Sites is powerful enough for a company intranet, yet simple enough for a family website. You can start a site from scratc

How to set up a Wiki

//Wikispaces// - Wiki Tours

Wikis are simple web pages that groups, friends, and families can edit together. Starting your wiki at Wikispaces is fast, free, and easy